254938252181 has 8 divisors (see below), whose sum is σ = 258105973440. Its totient is φ = 251772820992.

The previous prime is 254938252133. The next prime is 254938252187. The reversal of 254938252181 is 181252839452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 254938252181 - 2³⁴ = 237758382997 is a prime.

It is a super-2 number, since 2×254938252181² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254938252187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347945 + ... + 794318.

It is an arithmetic number, because the mean of its divisors is an integer number (32263246680).

Almost surely, 2^254938252181 is an apocalyptic number.

It is an amenable number.

254938252181 is a deficient number, since it is larger than the sum of its proper divisors (3167721259).

254938252181 is a wasteful number, since it uses less digits than its factorization.

254938252181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145035.

The product of its digits is 1382400, while the sum is 50.

The spelling of 254938252181 in words is "two hundred fifty-four billion, nine hundred thirty-eight million, two hundred fifty-two thousand, one hundred eighty-one".